12865793 has 4 divisors (see below), whose sum is σ = 13542960. Its totient is φ = 12188628.

The previous prime is 12865771. The next prime is 12865813. The reversal of 12865793 is 39756821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12865793 - 2⁸ = 12865537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12865793.

It is not an unprimeable number, because it can be changed into a prime (12865393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338555 + ... + 338592.

It is an arithmetic number, because the mean of its divisors is an integer number (3385740).

Almost surely, 2^12865793 is an apocalyptic number.

It is an amenable number.

12865793 is a deficient number, since it is larger than the sum of its proper divisors (677167).

12865793 is an equidigital number, since it uses as much as digits as its factorization.

12865793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677166.

The product of its digits is 90720, while the sum is 41.

The square root of 12865793 is about 3586.8918299832. The cubic root of 12865793 is about 234.3215257678.

The spelling of 12865793 in words is "twelve million, eight hundred sixty-five thousand, seven hundred ninety-three".